Dark chub
Amazing fact
Dark chub fight over territories or females by headbutting and body-slamming.
国土交通省 中国地方整備局 太田川河川事務所
No sign-up needed. You can save notes on this device.
An illustration based on the real animal.
A little discovery to share.
Dark chub fight over territories or females by headbutting and body-slamming.
THE REAL WORLD
The real Dark chub
- Scientific name
- Nipponocypris temminckii
- Japanese name
- カワムツ
- Group
- Freshwater animals
- Order
- Cypriniformes
- Family
- Cyprinidae
- Genus
- Nipponocypris
A member of the carp family that lives in the upper and middle reaches of rivers in western Honshu, Shikoku, Kyushu, the Korean Peninsula and China.
Its range overlaps with the pale chub's, but the two live apart because the dark chub keeps to deep pools in the river.
How the Dark chub lives
It eats aquatic insects and insects that fall onto the water. Its spawning season comes in summer. During spawning season, males develop a larger dorsal fin and bumps on their head and anal fin.
神奈川県島根県水産技術センター国土交通省 中国地方整備局 太田川河川事務所Basic data
- Range
- Honshu west of the Noto Peninsula and Tenryu River system, Shikoku, Kyushu, the Korean Peninsula, and China
Where the Dark chub has been recorded
Records: GBIF.org (CC0 and CC BY 4.0 records, retrieved 2026-11-07). Map: Natural EarthSee the records on GBIF
Watch wild animals from a distance. Do not touch or feed them, and take care of the places where they live.
Names around the world
Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.
Sources and how we check
- 鳥羽水族館 — カワムツChecked: 2026-11-04
- 島根県水産技術センター — カワムツChecked: 2026-11-07
- 国土交通省 中国地方整備局 太田川河川事務所 — カワムツChecked: 2026-11-07
- 神奈川県 — 淡水魚類図鑑 カワムツChecked: 2026-11-07
We check each fact against its source. The illustrations simplify how the real animal looks.
The classification (class, order, family, genus) follows Wikidata records, checked against GBIF. Classifications can change as research goes on.
The basic data are the values given in each source. They vary with how the animal is measured, whether it is male or female, and whether it lives in the wild or in captivity.
This page was translated from the original Japanese with the help of AI.
Report a mistakeRELATIVES
Others in Cyprinidae
MORE TO MEET
